GHSA-4X6X-8RM8-C37J Extension:TabberNeue vulnerable to Cross-site Scripting

Summary There are several sources of arbitrary, unescaped user input being used to construct HTML, which allows any user that can edit pages or otherwise render wikitext to XSS other users. Edit: Only the first XSS can be reproduced in production. Details ✅ Verified and patched in...